Oracle/ Oracle Database/ Release 23 SQL言語リファレンス 目的 ノート: RENAME文はロールバックできません。 RENAME文を使用すると、表、ビュー、順序またはプライベート・シノニムの名前を変更できます。 古いオブジェクトの整合性制約、索引および権限付与は、新
To rename a table, you use the following Oracle RENAME table statement as follows: RENAME table_name TO new_name;Code language: SQL (Structured Query Language) (sql) In the RENAME table statement: First, specify the name of the existing table which you want to rename. Second, provide the...
select dbms_metadata.get_ddl('TABLE',upper('&i_table_name'),upper('&i_owner')) from dual; 使用PL/SQL developer类似这种工具,来查看表定义语句 3、又一次建一张_old类型的表(依据上面的抽取的表定义),然后使用insert /*+ append */ xx select xxx 方式完毕数据的转换 4、最后使用rename方式倒换这...
select dbms_metadata.get_ddl('TABLE',upper('&i_table_name'),upper('&i_owner')) from dual; 使用PL/SQL developer类似这种工具,来查看表定义语句 3、又一次建一张_old类型的表(依据上面的抽取的表定义),然后使用insert /*+ append */ xx select xxx 方式完毕数据的转换 4、最后使用rename方式倒换这...
Here are the commands to rename a table in each of these databases: Database Command SQL Server EXEC sp_rename 'schema.old_name' 'new_name'; Oracle ALTER TABLE old_name RENAME TO new_name; MySQL ALTER TABLE old_name RENAME TO new_name; PostgreSQL ALTER TABLE old_name RENAME TO new_na...
CREATE TABLE 创建表 ALTER TABLE 变更表 DROP TABLE 删除表 CREATE INDEX 创建索引(索引键) DROP INDEX 删除索引 SQL SELECT语句:SELECT 列名 FROM 表名; SELECT * FROM 表名; 例如:SELECT firstNam,lastName FROM persons;从persons表中获取列名为firstName和lastName的列的值 ...
Oracle Rename Table The RazorSQL alter table tool includes a Rename Table option for renaming an Oracle database table. The rename table option allows the user to type in a new name for the table being renamed. The tool then generates and can execute the SQL to rename the Oracle database...
OceanBase过去的版本中,已在Oracle租户下支持了rename column语法,本次调整是在4.2.1以及往后的版本中,支持MySQL租户的rename column的语法,以兼容MySQL8.0。 2. 功能描述 rename column语法: ALTER TABLE tbl_name [rename_action [, rename_action] ...]; ...
A convenient way to rename tables in Oracle is to use the RENAME command. For example, SQL> create table kaleyc.drop_me 2 ( 3 x char 4 ); Table KALEYC.DROP_ME created. SQL> rename drop_me to drop_me2; Table renamed. However, if the object that you’re trying to rename does no...
RENAME TABLEtable-NameTOnew-Table-Name If there is a view or foreign key that references the table, attempts to rename it will generate an error. In addition, if there are any check constraints or triggers on the table, attempts to rename it will also generate an error. ...